Catch and release bugs Durable stainless steel jar band included Mesh hole size is .9mm/900 microns Dishwasher safe Silicone gripper for easier grip Multi-functional Packaging turns into DIY houses Jar not included Take any standard mason jar and turn it into a DIY bug hotel. Great for observing, learning, and teaching.  The versatile paper packaging can be cut, folded, and converted into bug “hotels” of various styles. This product is intended for educational purposes, as a temporary observational tool.  Please be responsible when handling bugs and respect all life!